x
-------------------------
/ 2 2\ / 2 \
\x - 81*y /*\x + 9*x*y/
$$\frac{x}{\left(x^{2} - 81 y^{2}\right) \left(x^{2} + 9 x y\right)}$$
x/((x^2 - 81.0*y^2)*(x^2 + 9.0*x*y))
Рациональный знаменатель
[src] x
-------------------------
/ 2 2\ / 2 \
\x - 81*y /*\x + 9*x*y/
$$\frac{x}{\left(x^{2} - 81 y^{2}\right) \left(x^{2} + 9 x y\right)}$$
Объединение рациональных выражений
[src] 1
----------------------
/ 2 2\
(x + 9*y)*\x - 81*y /
$$\frac{1}{\left(x + 9 y\right) \left(x^{2} - 81 y^{2}\right)}$$
1
----------------------
/ 2 2\
(x + 9*y)*\x - 81*y /
$$\frac{1}{\left(x + 9 y\right) \left(x^{2} - 81 y^{2}\right)}$$
x
-------------------------
/ 2 2\ / 2 \
\x - 81*y /*\x + 9*x*y/
$$\frac{x}{\left(x^{2} - 81 y^{2}\right) \left(x^{2} + 9 x y\right)}$$
x
-------------------------
/ 2 \ / 2 2\
\x + 9*x*y/*\x - 81*y /
$$\frac{x}{\left(x^{2} - 81 y^{2}\right) \left(x^{2} + 9 x y\right)}$$
1
------------------------------
3 3 2 2
x - 729*y - 81*x*y + 9*y*x
$$\frac{1}{x^{3} + 9 x^{2} y - 81 x y^{2} - 729 y^{3}}$$
1
--------------------
2
(x - 9*y)*(x + 9*y)
$$\frac{1}{\left(x - 9 y\right) \left(x + 9 y\right)^{2}}$$